1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.portletext;
24  
25  import com.liferay.portal.kernel.servlet.StringServletResponse;
26  import com.liferay.taglib.util.IncludeTag;
27  
28  import java.io.IOException;
29  
30  import javax.servlet.RequestDispatcher;
31  import javax.servlet.ServletContext;
32  import javax.servlet.ServletException;
33  import javax.servlet.http.HttpServletRequest;
34  import javax.servlet.http.HttpServletResponse;
35  import javax.servlet.jsp.JspException;
36  
37  /**
38   * <a href="PreviewTag.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   */
42  public class PreviewTag extends IncludeTag {
43  
44      public static void doTag(
45              String portletName, String queryString, String width,
46              ServletContext servletContext, HttpServletRequest request,
47              HttpServletResponse response)
48          throws IOException, ServletException {
49  
50          doTag(
51              _PAGE, portletName, queryString, width, servletContext, request,
52              response);
53      }
54  
55      public static void doTag(
56              String page, String portletName, String queryString, String width,
57              ServletContext servletContext, HttpServletRequest request,
58              HttpServletResponse response)
59          throws IOException, ServletException {
60  
61          request.setAttribute(
62              "liferay-portlet:preview:portletName", portletName);
63          request.setAttribute(
64              "liferay-portlet:preview:queryString", queryString);
65          request.setAttribute("liferay-portlet:preview:width", width);
66  
67          RequestDispatcher requestDispatcher =
68              servletContext.getRequestDispatcher(page);
69  
70          requestDispatcher.include(request, response);
71      }
72  
73      public int doEndTag() throws JspException {
74          try {
75              ServletContext servletContext = getServletContext();
76              HttpServletRequest request = getServletRequest();
77              StringServletResponse response = getServletResponse();
78  
79              doTag(
80                  getPage(), _portletName, _queryString, _width, servletContext,
81                  request, response);
82  
83              pageContext.getOut().print(response.getString());
84  
85              return EVAL_PAGE;
86          }
87          catch (Exception e) {
88              throw new JspException(e);
89          }
90      }
91  
92      public void setPortletName(String portletName) {
93          _portletName = portletName;
94      }
95  
96      public void setQueryString(String queryString) {
97          _queryString = queryString;
98      }
99  
100     public void setWidth(String width) {
101         _width = width;
102     }
103 
104     protected String getDefaultPage() {
105         return _PAGE;
106     }
107 
108     private static final String _PAGE = "/html/taglib/portlet/preview/page.jsp";
109 
110     private String _portletName;
111     private String _queryString;
112     private String _width;
113 
114 }